// Copyright 2023 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package metrics

import (
	metricscommon "github.com/pingcap/tidb/pkg/metrics/common"
	"github.com/prometheus/client_golang/prometheus"
)

var (
	// DistTaskUsedSlotsGauge is the gauge of used slots on executor node.
	DistTaskUsedSlotsGauge *prometheus.GaugeVec
)

// InitDistTaskMetrics initializes disttask metrics.
func InitDistTaskMetrics() {
	DistTaskUsedSlotsGauge = metricscommon.NewGaugeVec(
		prometheus.GaugeOpts{
			Namespace: "tidb",
			Subsystem: "disttask",
			Name:      "used_slots",
			Help:      "Gauge of used slots on a executor node.",
		}, []string{"service_scope"})
}
